Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Short Term Forecast

For More Weather Information:

Key West, FL Local Forecast Office

3NM SSW Alligator Reef Light FL

Marine Point Forecast

[NOTICE]

Tonight
Low: 73 °F
ENE 15kt
3ft
Wednesday
High: 77 °F
Light Wind
1-2ft
Wednesday Night
Low: 67 °F
NW 15kt
1ft
Thursday
High: 75 °F
N 10kt
1ft
Thursday Night
Low: 70 °F
NE 10kt
1ft
Friday
High: 77 °F
E 15kt
1-2ft
Friday Night
Low: 73 °F
E 15kt
2ft
Saturday
High: 78 °F
E 15kt
2ft
Saturday Night
Low: 73 °F
NE 15kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:15 pm CST Dec 9, 2025
Forecast Valid: 10pm CST Dec 9, 2025-6pm CST Dec 16, 2025

View Nearby Observations

Detailed Forecast

Tonight

ENE wind 10 to 15 kt. Scattered showers. Seas around 3 ft.

Wednesday

Variable winds 5 kt or less. Isolated showers. Seas 1 to 2 ft.

Wednesday Night

NW wind 10 to 15 kt. Isolated showers. Seas around 1 ft.

Thursday

N wind 5 to 10 kt. Sunny. Seas around 1 ft.

Thursday Night

N wind 5 to 10 kt becoming NE after midnight. Partly cloudy. Seas around 1 ft.

Friday

E wind 10 to 15 kt. Mostly sunny. Seas 1 to 2 ft.

Friday Night

E wind 10 to 15 kt. Isolated showers. Seas around 2 ft.

Saturday

E wind 10 to 15 kt. Scattered showers. Seas around 2 ft.

Saturday Night

NE wind 5 to 15 kt. Scattered showers. Seas 1 to 2 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.